Summary
Updated Aug 31, 2026
Walter Isaacson is Director of United Airlines Holdings, Inc. (UAL). 8 SEC Form 4 filings on record going back to 2024, most recently on 2 July 2026.
Trading Pattern
InsiderAlpha's records for Walter Isaacson go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Walter Isaacson files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- J. Scott Kirby - $37.74M of UAL open-market activity in the last 12 months
- Brett J. Hart - $5.66M of UAL open-market activity in the last 12 months
- Kate Gebo - $4.22M of UAL open-market activity in the last 12 months
- Torbjorn J. Enqvist - $2.40M of UAL open-market activity in the last 12 months
- Andrew P. Nocella - $2.12M of UAL open-market activity in the last 12 months
- Michael D. Leskinen - $1.28M of UAL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Walter Isaacson?
Walter Isaacson is a corporate insider, tracked as Director of United Airlines Holdings, Inc. (UAL). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Walter Isaacson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Walter Isaacson's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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